本文選題：軸輻式網(wǎng)絡(luò)優(yōu)化　切入點(diǎn)：多式聯(lián)運(yùn)　出處：《北京交通大學(xué)》2015年碩士論文

【摘要】：隨著經(jīng)濟(jì)全球化的不斷發(fā)展,軸輻式網(wǎng)絡(luò)逐漸成為整合運(yùn)輸資源、降低運(yùn)輸成本、提高運(yùn)營效率的有效網(wǎng)絡(luò)結(jié)構(gòu)。而多式聯(lián)運(yùn)以其高效、安全、低成本融合各種運(yùn)輸方式的經(jīng)濟(jì)優(yōu)勢,在綜合運(yùn)輸體系中發(fā)揮的作用越來越大,成為國內(nèi)外運(yùn)輸服務(wù)業(yè)競相發(fā)展的運(yùn)輸組織形式。多式聯(lián)運(yùn)樞紐作為運(yùn)輸過程中多種運(yùn)輸方式之間的有效銜接點(diǎn)和關(guān)鍵基礎(chǔ)設(shè)施,它的優(yōu)化布局的好壞影響著整個(gè)網(wǎng)絡(luò)的服務(wù)質(zhì)量,而多式聯(lián)運(yùn)樞紐間的連接路徑作為軸輻式網(wǎng)絡(luò)的重要運(yùn)輸通道,對整個(gè)軸輻式多式聯(lián)運(yùn)網(wǎng)絡(luò)的運(yùn)營產(chǎn)生重大影響。軸輻式多式聯(lián)運(yùn)模式既能夠聚合運(yùn)輸線路上的小規(guī)模貨物流,提高運(yùn)輸資源的利用率,又可以降低貨物的運(yùn)輸成本,獲得更大的經(jīng)濟(jì)效益,未來應(yīng)用前景廣闊。因此,對軸輻式多式聯(lián)運(yùn)樞紐網(wǎng)絡(luò)優(yōu)化的研究就顯得尤為重要。 本文分析了國內(nèi)外對軸輻式多式聯(lián)運(yùn)樞紐網(wǎng)絡(luò)研究現(xiàn)狀,介紹了軸輻式網(wǎng)絡(luò)和多式聯(lián)運(yùn)的相關(guān)基礎(chǔ)理論,并分析了多式聯(lián)運(yùn)在軸輻式網(wǎng)絡(luò)中的應(yīng)用,總結(jié)了軸輻式網(wǎng)絡(luò)優(yōu)化問題的類型和基本數(shù)學(xué)模型。本文是在傳統(tǒng)運(yùn)輸網(wǎng)絡(luò)節(jié)點(diǎn)布局中的多分配P-Hub中位問題的模型及方法的基礎(chǔ)上進(jìn)行網(wǎng)絡(luò)的優(yōu)化,綜合考慮樞紐建設(shè)的固定成本,運(yùn)輸成本、樞紐中轉(zhuǎn)成本、規(guī)模經(jīng)濟(jì)效應(yīng)、服務(wù)時(shí)間限制、樞紐容量限制等因素,以網(wǎng)絡(luò)總費(fèi)用最小為目標(biāo)函數(shù)構(gòu)建數(shù)學(xué)模型框架；然后根據(jù)問題的實(shí)際特點(diǎn),使用禁忌搜索算法對該模型進(jìn)行求解,首先利用5節(jié)點(diǎn)構(gòu)成的小規(guī)模網(wǎng)絡(luò)數(shù)據(jù)對模型和算法進(jìn)行檢驗(yàn),使用MATLAB軟件輸出計(jì)算結(jié)果,對結(jié)果進(jìn)行分析,以驗(yàn)證本文模型算法的合理性和有效性。 最后以20節(jié)點(diǎn)構(gòu)成的較大規(guī)模的網(wǎng)絡(luò)為例,對本文提出的軸輻式多式聯(lián)運(yùn)樞紐網(wǎng)絡(luò)優(yōu)化模型算法進(jìn)行更加詳細(xì)的分析。通過對樞紐容量大小、成本折扣系數(shù)、服務(wù)時(shí)間限制等因子設(shè)置不同的取值,分析其對網(wǎng)絡(luò)布局結(jié)構(gòu)和網(wǎng)絡(luò)總成本的影響,求得的結(jié)果可以為軸輻式多式聯(lián)運(yùn)樞紐網(wǎng)絡(luò)的構(gòu)建及運(yùn)營提供理論參考依據(jù)。
[Abstract]:With the development of economic globalization, axis-spoke network has gradually become an effective network structure to integrate transportation resources, reduce transportation costs and improve operational efficiency.Because of its economic advantages of high efficiency, safety and low cost, multimodal transport plays a more and more important role in the integrated transportation system and becomes a form of transportation organization for the development of domestic and foreign transport services.As an effective connection point and key infrastructure between multiple modes of transport, multimodal transport hub affects the quality of service of the whole network.As an important transportation channel of the axis-spoke network, the connection path between the intermodal hub and the hub has a significant impact on the operation of the whole axis-spoke multimodal transport network.The axis-spoke multimodal transport mode can not only aggregate the small-scale cargo flow on the transportation line, improve the utilization ratio of transportation resources, but also reduce the transportation cost of goods and obtain more economic benefits. The future application prospect is broad.Therefore, it is particularly important to study the optimization of hub network of axis-spoke multimodal transport.This paper analyzes the current situation of research on axle-spoke multimodal transport hub network at home and abroad, introduces the basic theory of axis-spoke network and multimodal transport, and analyzes the application of multimodal transport in axis-spoke network.The types and basic mathematical models of axis-radial network optimization problems are summarized.This paper is based on the model and method of multi-assignment P-Hub median problem in the layout of traditional transportation network nodes, and considers the fixed cost, transportation cost, transit cost and economies of scale effect of hub construction.Taking the minimum network total cost as the objective function to construct the mathematical model frame, the paper uses Tabu search algorithm to solve the model according to the actual characteristics of the problem.First, the model and algorithm are tested by using the data of a small scale network composed of five nodes, and the calculation results are outputted by MATLAB software, and the results are analyzed to verify the rationality and validity of the model algorithm in this paper.Finally, taking the large scale network composed of 20 nodes as an example, the algorithm of the axle-spoke multimodal transport hub network optimization model proposed in this paper is analyzed in more detail.By setting different values to the capacity of the hub, cost discount coefficient, service time limit and so on, this paper analyzes its influence on the network layout structure and the total network cost.The results can provide theoretical reference for the construction and operation of axis-spoke multimodal transport hub network.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：U115

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